Add PhilSys ID

[jgsuess]

Feedback / Comments:
PHCorePhilHealthID, PHCorePddRegistration - An identifier for patient, Where is PhilSys ID?

Submitter: John Lemuel Dalisay (IPHO South Cotabato)

[jgsuess]

Notes:
Added - considered before build freeze.

[jgsuess]

Unnamed: 6:
It will be in the PH Core, it's not included yet in the current version.